🕵️ Natural Gas Services Group Inc ($NGS)
SEC insider & ownership activity, last 12 months · CIK 1084991 · every row links its SEC filing
Over the last 12 months insiders sold $8.5M against $299K of open-market buying. Taylor Stephen Charles sold $8.5M through a program of 18 sale notices averaging $472K (Aug–Mar). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $299K (4 lots) · 1 seller, $8.5M (25 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Taylor Stephen Charles | 0 | – | 25 | $8.5M | Mar 6, 2026 |
| Jean K. Holley | 4 | $299K | 0 | – | Dec 8, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Hoak J. Hale | 6.7% | 13D | Jan 5, 2026 | filing ↗ | |
| James M. Hoak | 6.7% | 13D | Jan 5, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Taylor Stephen Charles | $1.1M | Mar 6, 2026 | filing ↗ |
| Taylor Stephen Charles | $2.6M | Mar 5, 2026 | filing ↗ |
| Taylor Stephen Charles | $335K | Dec 11, 2025 | filing ↗ |
| Taylor Stephen Charles | $332K | Dec 10, 2025 | filing ↗ |
| Taylor Stephen Charles | $642K | Dec 4, 2025 | filing ↗ |
| Taylor Stephen Charles | $314K | Nov 20, 2025 | filing ↗ |
| Taylor Stephen Charles | $303K | Nov 19, 2025 | filing ↗ |
| Taylor Stephen Charles | $310K | Nov 17, 2025 | filing ↗ |
| Taylor Stephen Charles | $558K | Nov 10, 2025 | filing ↗ |
| Taylor Stephen Charles | $324K | Nov 7, 2025 | filing ↗ |
| Taylor Stephen Charles | $3K | Nov 6, 2025 | filing ↗ |
| Taylor Stephen Charles | $226K | Sep 26, 2025 | filing ↗ |
| Taylor Stephen Charles | $22K | Sep 25, 2025 | filing ↗ |
| Taylor Stephen Charles | $38K | Sep 24, 2025 | filing ↗ |
| Taylor Stephen Charles | $280K | Sep 23, 2025 | filing ↗ |
| Taylor Stephen Charles | $275K | Sep 16, 2025 | filing ↗ |
| Taylor Stephen Charles | $270K | Sep 4, 2025 | filing ↗ |
| Taylor Stephen Charles | $525K | Aug 22, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Jul 20, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Jul 20, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jul 20, 2026 | filing ↗ |
| Other events (8.01) | Jul 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 20, 2026 | filing ↗ |
| Auditor change (4.01) | Jul 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 15, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 12, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Jun 12, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 12, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jun 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 12, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 10, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 10, 2026 | filing ↗ |
| Earnings (2.02) | May 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Other events (8.01) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Earnings (2.02) | Mar 17, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 17, 2026 | filing ↗ |
| Earnings (2.02) | Mar 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 9, 2026 | filing ↗ |
| Other events (8.01) | Feb 9, 2026 | filing ↗ |